Index Catalog // MDR

Description/Abstract:: スピネルバリアを用いた磁気トンネル接合Fe/MgAl2O4/Feの電圧特性を理論的に解析し、その結果をFe/MgO/Feの電圧特性と比較した。その結果、Fe/MgAl2O4/Feでは電極でのバンド折りたたみが起こるため、磁気抵抗比の電圧耐性がFe/MgO/Feよりも高くなる...
Keyword:: Magnetic tunnel junction, Spinel, Spintronics, and Tunnel magnetoresistance
Resource Type:: Article
Author:: Keisuke Masuda and Yoshio Miura
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Description/Abstract:: We study interfacial magnetocrystalline anisotropies in various Fe/semiconductor heterostructures by means of first-principles calculatio...
Keyword:: Magnetic anisotropy, Magnetic tunnel junction, and Spintronics
Resource Type:: Article
Author:: Keisuke Masuda, Shinya Kasai, Yoshio Miura, and Kazuhiro Hono
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Description/Abstract:: 磁気ヘテロ接合Fe/MgAl2O4の界面の磁気異方性について第一原理計算に基づいた解析を行った。垂直磁気異方性が得られることがわかり、その起源についても微視的な解析によって理解が得られた。また、より大きな垂直磁気異方性を得る手段として界面への重元素挿入の可能性についても検討した。
Keyword:: Magnetic anisotropy, Magnetic tunnel junction, and Spintronics
Resource Type:: Article
Author:: Keisuke Masuda and Yoshio Miura
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Description/Abstract:: Chemical substitution efficiently optimizes the physical properties of Heusler compounds, especially their anomalous transport properties...
Keyword:: Anomalous Hall conductivity, Anomalous Nernst conductivity, Heusler compounds, and High-throughput screening
Resource Type:: Article
Author:: Guangzong Xing, Keisuke Masuda, Terumasa Tadano, and Yoshio Miura
Journal:: Acta Materialia
Date Uploaded:: 09/04/2024

Description/Abstract:: Amorphous oxide semiconductors (AOSs) with low off-currents and processing temperatures offer promising alternative materials for next-ge...
Keyword:: IGZO, contact resistance, hydrogen, oxide semiconductors, palladium, and thin-film transistors
Resource Type:: Article
Author:: Yuhao Shi, Masatake Tsuji, Hanjun Cho, Shigenori Ueda, Junghwan Kim, and Hideo Hosono
Journal:: ACS Nano
Date Uploaded:: 08/04/2024

Description/Abstract:: Snドープ β-Ga2O3(001)のドーパントの原子位置を光電子ホログラフィ法により明らかにした。
Keyword:: Ga2O3, b-Ga2O3, and dopant
Resource Type:: Article
Author:: Yuhua Tsai, Masaaki Kobata, Tatsuo Fukuda, Hajime Tanida, Toru Kobayashi, and Yoshiyuki Yamashita
Journal:: Applied Physics Letters
Date Uploaded:: 19/03/2024

Description/Abstract:: The oxide-ion conductor Ba3MoNbO8.5, the oxide-ion and proton conductor Ba7Nb4MoO20, and their hexagonal perovskite-related oxides are im...
Keyword:: Fuel Cell, Gas Sensor, and Oxygen Separation
Resource Type:: Article
Author:: Masataka Tansho, Atsushi Goto, Shinobu Ohki, Yuuki Mogami, Yuichi Sakuda, Yuta Yasui, Taito Murakami, Kotaro Fujii, Takahiro Iijima, and Masatomo Yashima
Journal:: The Journal of Physical Chemistry C
Date Uploaded:: 04/03/2024
Date Modified:: 05/03/2024

Description/Abstract:: Recent advances in the study of materials with topological electronic band structures have revealed magnetic materials exhibiting giant a...
Keyword:: Weyl semimetal, anomalous Hall effect, magnetic recording, magnetic sensors, read head, and topological materials
Resource Type:: Article
Author:: Tomoya Nakatani, Prabhanjan D. Kulkarni, Hirofumi Suto, Keisuke Masuda, Hitoshi Iwasaki, and Yuya Sakuraba
Journal:: Applied Physics Letters
Date Uploaded:: 26/02/2024

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